NACA 64(4)-421 (naca644421-il)
NACA 64(4)-421 - NACA 64(4)-421 airfoil
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(naca644421-il) NACA 64(4)-421 NACA 64(4)-421 airfoil Max thickness 20.9% at 34.8% chord. Max camber 2.2% at 50% chord Source UIUC Airfoil Coordinates Database Source dat file The dat file is in Selig format |
NACA 64(4)-421 1.00000 0.00000 0.95042 0.01079 0.90087 0.02276 0.85122 0.03556 0.80145 0.04876 0.75154 0.06203 0.70150 0.07491 0.65131 0.08708 0.60099 0.09819 0.55055 0.10797 0.50000 0.11610 0.44936 0.12220 0.39865 0.12572 0.34794 0.12539 0.29723 0.12209 0.24657 0.11591 0.19599 0.10678 0.14553 0.09442 0.09528 0.07786 0.07028 0.06744 0.04545 0.05482 0.02096 0.03834 0.00903 0.02707 0.00445 0.02101 0.00227 0.01723 0.00000 0.00000 0.00773 -0.01523 0.01055 -0.01821 0.01597 -0.02279 0.02904 -0.03090 0.05455 -0.04218 0.07972 -0.05048 0.10472 -0.05718 0.15447 -0.06750 0.20401 -0.07494 0.25343 -0.08011 0.30277 -0.08321 0.35206 -0.08419 0.40135 -0.08288 0.45064 -0.07840 0.50000 -0.07198 0.54945 -0.06417 0.59901 -0.05535 0.64869 -0.04588 0.69850 -0.03603 0.74846 -0.02623 0.79855 -0.01692 0.84878 -0.00864 0.89913 -0.00208 0.94958 0.00185 1.00000 0.00000 |
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Polars for NACA 64(4)-421 (naca644421-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| naca644421-il | 50,000 | 9 | 3.9 at α=11.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca644421-il | 50,000 | 5 | 11.3 at α=14.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca644421-il | 100,000 | 9 | 21.9 at α=12.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca644421-il | 100,000 | 5 | 26.1 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca644421-il | 200,000 | 9 | 61.5 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca644421-il | 200,000 | 5 | 62.6 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca644421-il | 500,000 | 9 | 98.5 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca644421-il | 500,000 | 5 | 93.2 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca644421-il | 1,000,000 | 9 | 124.1 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca644421-il | 1,000,000 | 5 | 112.5 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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